2013 Sierra HD, is a gear change worth it?
Hi everyone, I'm new to this forum and have a question about my 2013 Sierra 2500 HD with a 6.0L and 3.73 gear ratio. It has a tow rating of 9400 lbs and in the manual it says if I had 4.10 it goes...
Forum Discussion
retento wrote:
I got a 6.0, 3.73 truck.... Put it in manual fifth, set tow haul, set cruise and let it rip...
+1.
Don't let it try to shift into 6th gear. This can slow down enough that it downshifts to 4th gear and 3000rpm to bring your vehicle speed back up to what you want. 5th gear, 2200rpm at 65mph should be fine. Hills in 4th gear at 3000rpm, fine. Hills in 3rd gear at 4000rpm, fine. This engine wakes up over 3500rpm and pulls hard to almost 6000rpm. Peak torque is around 4200rp. Let it spin!
